Modules shelf unit



FIG. 1 is a perspective view of a modular shelf unit, showing my new design; the broken lines are for illustrative purposes only;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a cross-sectional view thereof taken along lines 3--3 of FIG. 2;

FIG. 4 is a right-side elevational view thereof, with the left-side elevational view being a mirror image thereof; and

FIG. 5 is a top plan view, the bottom plan being a mirror image thereof. 

The ornamental design for a modular shelf unit, as shown and described. 